78728416

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{189251}}^1$

素因数の和:189274

約数の個数: 24

約数和(自身を含む): 166920264

約数和(自身を除く): 88191848

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 189251, 378502, 757004, 1514008, 2460263, 3028016, 4920526, 6056032, 9841052, 19682104, 39364208, 78728416]

約数ペア:

[(1, 78728416), (2, 39364208), (4, 19682104), (8, 9841052), (13, 6056032), (16, 4920526), (26, 3028016), (32, 2460263), (52, 1514008), (104, 757004), (208, 378502), (416, 189251)]